Insert for slow cooker



FIG. 1 is a top front perspective view of an insert for slow cooker in accordance with the invention;

FIG. 2 is a front elevation of the insert for slow cooker;

FIG. 3 is a right side elevation of the insert for slow cooker, the left side elevation being a mirror image thereof;

FIG. 4 is a rear elevation of the insert for slow cooker;

FIG. 5 is a top plan view of the insert for slow cooker; and,

FIG. 6 is a bottom plan view of the insert for slow cooker. 

The ornamental design for an insert for slow cooker, as shown and described. 